Final answer:
The number of different musical entertainment lineups possible by selecting 5 songs from a list of 6 is 6.
Explanation:
To calculate the different possible lineups of 5 songs from a list of 6, you need to use the combination formula from combinatorics. The number of ways to select 5 songs out of 6 is calculated as 6 choose 5, which equals 6. Therefore, there are 6 different possible lineups.
Learn more about Combinatorics here:
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